Authentication of data in the field of works of art using blockchain technology

Computer game programmes downloadable via the Internet; Computer monitors; Computer operating programs; Computer operating programs, recorded; Computer software platforms, downloadable, for database management; Computer software platforms, recorded, for database management; Computer software for application and database integration; Computers; Data processing equipment, namely, couplers; Downloadable image files containing games; Electronic navigational and positioning apparatus and instrumen...

greeting cards

MANIPULATIVE GAME THAT INCLUDES A GRIDWORK OF OPENINGS AND A PLURALITY OF PLAYING PIECES OF VARIOUS SIZES AND SHAPES AND COLORS THAT CAN BE DEPOSITED IN SAID GRIDWORK TO FORM DESIRED DESIGNS